Finding the Fourth Proportional to 717,811.23, 990,521.96 and 416,024.67
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Solution
The fourth proportional to 717,811.23, 990,521.96 and 416,024.67 is: 574,080.69
Step by Step Solution
- Step 1: Write the proportion equation
717,811.23 : 990,521.96 = 416,024.67 : x - Step 2: Convert to fraction form
717,811.23/990,521.96 = 416,024.67/x - Step 3: Cross multiply
717,811.23x = 990,521.96 × 416,024.67 - Step 4: Simplify right side
717,811.23x = 412,081,569,456.63 - Step 5: Solve for x
x = 412,081,569,456.63/717,811.23 - Step 6: Final answer
x = 574,080.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.